about summary refs log tree commit diff
path: root/REORG.TODO/sysdeps/mips/jmpbuf-unwind.h
diff options
context:
space:
mode:
Diffstat (limited to 'REORG.TODO/sysdeps/mips/jmpbuf-unwind.h')
-rw-r--r--REORG.TODO/sysdeps/mips/jmpbuf-unwind.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mips/jmpbuf-unwind.h b/REORG.TODO/sysdeps/mips/jmpbuf-unwind.h
new file mode 100644
index 0000000000..e5293ec63c
--- /dev/null
+++ b/REORG.TODO/sysdeps/mips/jmpbuf-unwind.h
@@ -0,0 +1,47 @@
+/* Copyright (C) 2003-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <setjmp.h>
+#include <stdint.h>
+#include <unwind.h>
+#include <sysdep.h>
+
+/* Test if longjmp to JMPBUF would unwind the frame
+   containing a local variable at ADDRESS.  */
+#define _JMPBUF_UNWINDS(jmpbuf, address, demangle)		\
+  ((void *) (address) < (void *) demangle ((jmpbuf)[0].__sp))
+
+#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj)		\
+  _JMPBUF_UNWINDS_ADJ (_jmpbuf,						\
+		       (void *) (_Unwind_Ptr) _Unwind_GetCFA (_context), \
+		       _adj)
+
+static inline uintptr_t __attribute__ ((unused))
+_jmpbuf_sp (__jmp_buf regs)
+{
+  uintptr_t sp = (uintptr_t) regs[0].__sp;
+#ifdef PTR_DEMANGLE
+  PTR_DEMANGLE (sp);
+#endif
+  return sp;
+}
+
+#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
+  ((uintptr_t) (_address) - (_adj) < _jmpbuf_sp (_jmpbuf) - (_adj))
+
+/* We use the normal longjmp for unwinding.  */
+#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)